
A declarative JavaScript library for creating user interfaces.
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Tracked since2026
0 reviews trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Very fast performance
Biggest con
Smaller ecosystem
TL;DR - Solid.js
- High-performance reactive UI library.
- Compiles directly to DOM, no virtual DOM.
- Fine-grained reactivity for efficient updates.
Pricing: Free forever
Best for: Individuals & startups
What is Solid.js?
Solid.js is a reactive JavaScript library designed for building user interfaces. It focuses on performance by compiling its templates directly to real DOM nodes and efficiently updating them with fine-grained reactivity. Unlike virtual DOM libraries, Solid.js uses a compile-time approach that allows for highly optimized updates without the overhead of a virtual DOM reconciliation step.
Solid.js is ideal for developers who prioritize performance and want a modern, declarative way to build web applications. It offers a familiar JSX syntax and component-based architecture, making it accessible to those with experience in React or similar libraries, while providing unique benefits in terms of speed and bundle size. Its fine-grained reactivity system ensures that only the necessary parts of the UI are re-rendered when data changes, leading to highly efficient applications.
Pros & Cons
Pros
- Very fast performance
- Fine-grained reactivity
- Small bundle size
- React-like syntax
- Active development
Cons
- Smaller ecosystem
- Less job market
- Learning reactivity model
- Community smaller
- Fewer resources
Key Features
Reactive frameworkNo virtual DOMFine-grained reactivityJSX syntaxSmall bundleFast performance
Pricing Plans
Free
Free
- Open source MIT license
- Full framework features
- Fine-grained reactivity
- Lightweight core
- Community support
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Solid.js FAQ
What is Solid.js?
Solid.js is a reactive JavaScript library with React-like syntax but without virtual DOM.
Is Solid.js free?
Yes, Solid.js is completely free and open source.
Solid.js vs React?
Solid.js is faster with true reactivity. React has larger ecosystem and job market.
Source: solidjs.com